Caracterização fitossociológica de árvores de grande porte de um fragmento florestal, Sinop-MT.

Abstract

Native forests are essential to the historical description of the regional flora and fauna. The preservation of tree species is important because of the human occupation and the expansion of agriculture, which consequently cause the local extinction of flora species, particularly the commercial species. The aim of this study was to phytosociological characterization of large trees of the Forest Park Sinop-MT, an urban forest fragment located in a protected area. For this study were distributed 15 random plots and all trees with DBH ≥15 cm were sampled. With this data was generated a list of families and species with the greatest number of individuals. Families with higher occurrence of trees were Fabaceae (18.34%), Urticaceae (8.73%), Euphorbiaceace (7.86%), Lauraceae (6.99%) and Burseraceae (5.68%). In addition, the species with the highest importance value were Dipterix odorata, Inga sp, Mabea fistulifera, Cecropia sciophylla, and Schefflera morototoni. It is important to conduct studies in this location due to the variety of species characteristic of the Amazon rainforest and for being an area that has been disturbed due to establishment of people in the vicinity of the fragment.